Emerson Site Manager Guide d'installation télécharger pdf (Page 75)

Installation Guide AMS Suite: Intelligent Device Manager

NOVEMBER 2013

2. Attach the HART devices. For many HART input devices (such as transmitters),

you need to connect a 250 to 300 resistor in series with the power source.

Be very careful when connecting an output device in a non-DCS loop

configuration to avoid device damage. Always consult the device product

manual for detailed connection information.

3. Attach the modem leads across the resistor, if required.

4. Attach a power supply to the HART device, if necessary. Figure 1 shows how a

HART device should typically be wired to a modem.

5. Verify that the transmitter has power.

6. After configuring the modem, reboot the PC to complete the installation.

Note

Follow output device manufacturers’ recommendations for loop wiring.

Note

If a device is connected to the modem but its icon is not displayed, see “After a modem is

installed” on page 76.

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Emerson Site Manager Guide d'installation Page 75